# SDR QMLA20240402234

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2024
- Submitted: April 2, 2024
- Operation: Air carrier
- Aircraft: [N408LL](https://openairdocs.org/aircraft/N408LL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53483
- Aircraft time: 10,337 hours, 26,321 cycles
- System (JASC): [5302 · Rotorcraft Tail Boom](https://openairdocs.org/jasc/5302)
- Part: Bulkhead
- Part number: 407030027107LATE
- Condition: Cracked
- Location: Tailboom
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QMLA20240402234

## Discrepancy

SUSPECTED BULKHEAD TO BE CRACKED NEAR UPPER RH BOLT HOLE. COULD SEE AN ANOMALY WITH A BORESCOPE, BUT COULD NOT VERIFY TILL THE TAILBOOM WAS PULLED. CRACK WAS THEN VERIFIED.

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